From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36395C4332F for ; Tue, 5 Apr 2022 20:40:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377708AbiDEUgm (ORCPT ); Tue, 5 Apr 2022 16:36:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33938 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352880AbiDEKFQ (ORCPT ); Tue, 5 Apr 2022 06:05:16 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E79E221819; Tue, 5 Apr 2022 02:53:59 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 34D8BB81C9B; Tue, 5 Apr 2022 09:53:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7A0FDC385A2; Tue, 5 Apr 2022 09:53:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649152436; bh=YmpZLRTg0VYSCq0h7FNTg3T582pHsUuY2WzC52Y/wWg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e3gQU+wlCxVAoj0fV3qV+WjmXBnsr9jAA/4Dl/N1yL2qWJd3bDgrCAIvgFDBmDJar m7i+gm11Um3Z81JQZr1SjEdE0BgsIM9N4Kjh9rBsVDjm45Pxrxo9/PPPnVwul1ecfL RT3jnTLPIF7ElSrsI54xlTAn/BaF+m4z/iBWOmpU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Vitaly Kuznetsov , Paolo Bonzini Subject: [PATCH 5.15 775/913] KVM: x86: hyper-v: Drop redundant ex parameter from kvm_hv_flush_tlb() Date: Tue, 5 Apr 2022 09:30:37 +0200 Message-Id: <20220405070403.063242780@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220405070339.801210740@linuxfoundation.org> References: <20220405070339.801210740@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vitaly Kuznetsov commit 82c1ead0d678af31e5d883656c12096a0004178b upstream. 'struct kvm_hv_hcall' has all the required information already, there's no need to pass 'ex' additionally. No functional change intended. Cc: stable@vger.kernel.org # 5.14.x Signed-off-by: Vitaly Kuznetsov Message-Id: <20220222154642.684285-3-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini Signed-off-by: Greg Kroah-Hartman --- arch/x86/kvm/hyperv.c | 23 ++++++----------------- 1 file changed, 6 insertions(+), 17 deletions(-) --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -1749,7 +1749,7 @@ struct kvm_hv_hcall { sse128_t xmm[HV_HYPERCALL_MAX_XMM_REGISTERS]; }; -static u64 kvm_hv_flush_tlb(struct kvm_vcpu *vcpu, struct kvm_hv_hcall *hc, bool ex) +static u64 kvm_hv_flush_tlb(struct kvm_vcpu *vcpu, struct kvm_hv_hcall *hc) { int i; gpa_t gpa; @@ -1765,7 +1765,8 @@ static u64 kvm_hv_flush_tlb(struct kvm_v int sparse_banks_len; bool all_cpus; - if (!ex) { + if (hc->code == HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST || + hc->code == HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE) { if (hc->fast) { flush.address_space = hc->ingpa; flush.flags = hc->outgpa; @@ -2246,32 +2247,20 @@ int kvm_hv_hypercall(struct kvm_vcpu *vc kvm_hv_hypercall_complete_userspace; return 0; case HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST: - if (unlikely(!hc.rep_cnt || hc.rep_idx)) { - ret = HV_STATUS_INVALID_HYPERCALL_INPUT; - break; - } - ret = kvm_hv_flush_tlb(vcpu, &hc, false); - break; - case HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE: - if (unlikely(hc.rep)) { - ret = HV_STATUS_INVALID_HYPERCALL_INPUT; - break; - } - ret = kvm_hv_flush_tlb(vcpu, &hc, false); - break; case HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX: if (unlikely(!hc.rep_cnt || hc.rep_idx)) { ret = HV_STATUS_INVALID_HYPERCALL_INPUT; break; } - ret = kvm_hv_flush_tlb(vcpu, &hc, true); + ret = kvm_hv_flush_tlb(vcpu, &hc); break; + case HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE: case HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX: if (unlikely(hc.rep)) { ret = HV_STATUS_INVALID_HYPERCALL_INPUT; break; } - ret = kvm_hv_flush_tlb(vcpu, &hc, true); + ret = kvm_hv_flush_tlb(vcpu, &hc); break; case HVCALL_SEND_IPI: if (unlikely(hc.rep)) {